Fifty crunches a day really is nothing in the scheme of things. Each day I spent no more than a solid minute in the crunch ...

Crunches and situps are both ab exercises that target your core, but they aren't the same. Here's how to choose the best ...

Explore the differences between decline crunches and sit-ups. Find out what muscles each targets, and learn proper form to enhance your core training.

Crunches are one of the most overrated ab exercises, especially after 45. They overwork your neck, ignore the deeper core ...